1.King vikramaditya — whole Asia
King Vikramaditya made Ujjain his capital, in present-day Madhya Pradesh. He almost ruled whole Asia . Vikramaditya empire controlled many parts of Modern day China, Entire Middle East and Many Parts of South East Asia. Vikramaditya king defeated Rome’s Julius Caesar in battle and defeated Shakas
NOTE :
This king not from Gupta Empire and Chalukya dynasty because 14 kings in India named as Vikramaditya after seeing his power and achievement .
2. Karkota dynasty — 7 million sq. kms
Karkota dynasty ruled over 7 million sq. kms. Parihaspur was built by Lalitaditya Muktapida and served as the capital of Kashmir during his reign. Durlabhvardhana was the founder of the Karkota dynasty. The Undefeated Ruler of Kashmir who defeated Islamic invaders & ruled till Caspian Sea .He captured parts of Central Asia and North india. His empire extended from Tibet to Iran and Turkistan. He was later able to create an empire based on Kashmir and covering most of Northern India and Central Asia including most parts of Pakistan, Afghanistan, Bactria , Iran, Nepal,Tibet, Turkistan and Soghdiana. Lalitaditya Muktapida only one king from Karkota dynasty who expanded the Karkota dynasty
3. Maurya Empire —5 million sq. kms
Maurya Empire size is 5 million sq. kms. ,they have permanent capital city which was Pataliputra, in present-day Bihar. Maurya Empire to reign over a realm stretching from present-day Afghanistan in the west to Bangladesh in the east and half of India . Ashoka was grandson of Chandragupta Maurya and Chandragupta Maurya defeated Seleucus in India. Maurya Empire covered part of India, Bangladesh , Pakistan , Nepal and Afghanistan .The Maurya Empire was founded by Chandragupta Maurya, with help from Chanakya. Chandragupta Maurya and Ashoka this two king from Maruya empire who Extent of Maurya Empire.
4. Pala Empire —4.6 million sq.kms
Pala Empire size is 4.6 million sq.kms . Pala Empire covered part of Afghanistan ,Bangladesh , India, Nepal and Pakistan . They have capital city which was Bikrampur, Pataliputra , Gauda, Monghyr and Somapura .Pala Empire empire stretched from Assam and Utkala in the east ,Kamboja (modern day Afghanistan) in the north-west and Deccan in the south. Gopala who is founded the Pala Empire and Deva Pala who Extent of Pala Empire .
5. Gupta Empire —3.5 million sq.km
Gupta empire size is 3.5 million sq.kms . They have permanent capital city which was Pataliputra, in present-day Bihar. Chandra Gupta I was founded the Gupta empire and Gupta empire region extended from the Himalayas in the north to the Krishna and Godavari Rivers in the south; and from Balkh (Afghanistan) in the west to Brahmaputra River in the east. Gupta empire covered part of India ,Pakistan, Bangladesh ,Myanmar and Nepal . Samudragupta only this king from Gupta empire Who expanded the Gupta Empire.
6. Maratha Empire — 2.8 million sq. kms
Maratha Empire size is 2.8 million sq. kms. Chhatrapati Shivaji Maharaj was founder and first emperor of the Maratha Empire. Maratha Empire extending from Bengal in the east to Attock and Sindh in the west, Kashmir in the north to the Kaveri basin in the south. The capital city is Raigad, Jinji, Satara and Pune in present-day Maharashtra. Chhatrapati Shivaji and Bajirao this two king from Maratha Empire who expanded the maratha empire.
7. Kushan Empire —2.5 million sq. kms
Kushan Empire area is 2.5 million sq. kms. Kujula Kadphises was founded of Kushan Empire. The Kushan Empire, a realm that covered much of present-day India, Pakistan, Afghanistan and China(Yarkand now in the xinjiang region of china). Kushan Empire ruled over most of the northern Indian subcontinent and parts of Central Asia. The capital city of this empire was Peshawar (Pakistan) , Bagram (Afghanistan) , Taxila (Pakistan) and Mathura (Uttar Pradesh, India). Vima Kadphises and Kanishka I this two king from Kushan Empire who expanded the Kushan Empire.
8. Rai dynasty—1.5 million sq. kms
Rai dynasty area size is 1.5 million sq. kms .Adi Rai was founded of Rai dynasty and capital city is Arror (Pakistan) . Rai dynasty extended from Kashmir in the east, Makran and Debal port (modern Karachi) in the west, Surat port in the south, and the Kandahar, Sulaiman, Ferdan and Kikanan hills in the north. Rai Diwa ji (Devaditya) only one king from Rai dynasty who expanded the Rai dynasty.
9. Mahameghavahana dynasty —1.3 million sq. kms
Mahameghavahana dynasty area size is 1.3 million sq. kms .they capital city is Kalinganagara present-day Odisha . Mahameghavahana dynasty empire included large parts of eastern and central India. It corresponds to present-day northern Telangana, northeastern Andhra Pradesh, most of Odisha, and a portion of Madhya Pradesh states.
10. Rashtrakuta dynasty —1.2 million sq. kms
Rashtrakuta dynasty area size is 1.2 million sq. kms. They have permanent capital city is Mayurkhandi in present-day Karnataka . Rashtrakuta dynasty extended from Cape Comorin in the south to Kannauj in the north, from Banaras in the east to Broach (Bharuch) in the west .Rashtrakuta kingdom included the modern state of Karnataka in its entirety along with parts of the current Indian states of Tamil Nadu, Andhra Pradesh, Telangana, Maharashtra and Gujarat. Govinda III only one king from Rashtrakuta dynasty who expanded the Rashtrakuta dynasty.
11. Pushyabhuti dynasty — 1 million sq. kms
Pushyabhuti dynasty area size is 1 million sq. kms. Pushyabhuti dynasty Empire covered much of North and Northwestern India, extended East till Kamarupa, and South until Narmada River. Pushyabhuti dynasty ruled over a vast territory consisting of eastern Punjab, Uttar Pradesh, West Bengal, Bihar, Orissa under their control. The capital city of this empire was Thanesar in present-day Haryana and another capital city of this empire was Kannauj in present-day Uttar Pradesh. Harshavardhana only one king from Pushyabhuti dynasty who expanded the Pushyabhuti dynasty.
12. Gurjara-Pratihara dynasty — 1 million sq. kms
Gurjara-Pratihara dynasty area size is 1 million sq. kms Gurjara-Pratihara dynasty Empire covered much of western and northern India. They capital city is Ujjain in present-day Madhya Pradesh and another capital city is Kannauj in present-day Uttar Pradesh. Gurjara-Pratihara dynasty extended to Narmada River in the South, Sutlej River in the northwest, and up to Bengal in the east. It extended over a large area from the foot of the Himalayas up to the river Narmada and included the present district of Etawah in Uttar Pradesh. Mihira Bhoja only one king from Gurjara-Pratihara dynasty who expanded the Gurjara-Pratihara dynasty.
13. chola dynasty — 1 million sq. kms
chola dynasty area size is 1 million sq. kms . chola dynasty empire covered part of half of south India ( expect north Karnataka and Telangana they area ruled by Chalukya dynasty ) , south west Bengal , South Odisha ,South Thailand , Java & Sumatra (only two island of Indonesia), Singapore and Malaysia (Malay Peninsula ) . The capital city of this empire was Pazhaiyaarai, Thanjavur and Gangaikonda Cholapuram in present-day Tamil nadu. Rajaraja I and Rajendra Chola I this two king from chola dynasty who expanded the chola dynasty.
14. Chalukya dynasty— 0.6 million sq. kms
Chalukya dynasty area size is 0.6 million sq. kms .They have permanent capital city is Badami in present-day Karnataka. Chalukya dynasty extended from the Kosala and Kalinga (Bay of Bengal) in the east, to Konkana in the west, the river Narmada in the north and up to river Cauveri in the south. Their domain included the whole of present day Karnataka, Maharashtra, parts of Gujarat, Madhya Pradesh, Odisha, Andhra Pradesh and parts of Tamil Nadu. Pulakeshin II only one king from Chalukya dynasty who expanded the Chalukya dynasty.
15. Vijayanagara Empire — 0.6 million sq. kms Vijayanagara Empire area size is 0.6 million sq. kms. Vijayanagara Empire Empire covered much almost the entire South India . There capital city is Hampi & Vijayanagara( Karnataka) , Penukonda (Andhra Pradesh) , Chandragiri(Andhra Pradesh) and Vellore(Tamil nadu ) . Vijayanagara Empire empire extended from the river Krishna in the north to River Cauvery in the south; the Arabian Sea in the west to Bay of Bengal in the east. Bukka I and Krishnadevaraya this two king from Vijayanagara Empire who expanded the Vijayanagara Empire
16. Nanda Empire — 0.5 million sq. kms
Nanda Empire area size is 0.5 million sq. kms. Mahapadma Nanda was the founder of Nanda Empire in . Mahapadma Nanda was the first historical emperor of India. They have permanent capital city of which was Pataliputra, in present-day Bihar. Nanda Empire extended from the Kuru, near Punjab, in the north to the Godavari valley in the south and from Magadha in the east to the Narmada on the west. Mahapadma Nanda only one king from Nanda Empire who expanded the Nanda Empire.
17. Satavahana dynasty — 0.5 million sq. kms Satavahana dynasty area size is 0.5 million sq. kms. Simuka Satavahana is founder of satavahana dynasty . They are capital city is Paithan in present-day Maharashtra and another capital city is Amaravathi in present-day Andhra Pradesh . Satavahana dynasty extended from Krishna in the south to Malwa and Saurashtra in the north and from Berar in the east to the Konkan in the west. The Satavahana kingdom mainly comprised the present-day Telangana, Andhra Pradesh and Maharashtra. At different times, their rule extended to parts of modern Gujarat, Madhya Pradesh, and Karnataka. Gautamiputra Satakarni only one king from Satavahana dynasty who expanded the Satavahana dynasty.
18. Magadha Empire— 0.5 million sq. kms
Magadha Empire area size is 0.5 million sq. kms .Magadha Empire was bounded on the north by the river Ganges, on the east by the river Champa, on the south by the Chota Nagpur Plateau, and on the west by the Son River. Jarasandha was founded the Magadha empire. They are capital city is Rajgir in present-day Bihar and another capital city is Patna Rajgir in present-day Bihar.
19. Gajapati Empire— 0.4 million sq. kms
Gajapati Empire area size is 0.4 million sq. kms . The Gajapatis were ruled over Kalinga (the present day Odisha), large parts of Andhra Pradesh and West Bengal, and the eastern and central parts of Madhya Pradesh and the southern parts of Bihar. Gajapatis became an empire stretching from the lower Ganga in the north to the Kaveri in the south. Kapilendra Deva was the founder of Gajapati dynasty. They have permanent capital city of which was Cuttack the present day Odisha.
20. Eastern Ganga dynasty— 0.4 million sq. kms Eastern Ganga dynasty area size is 0.4 million sq. kms .Eastern Ganga dynasty consisted of the whole of the modern-day Indian state of Odisha as well as major parts of West Bengal, Andhra Pradesh and Chhattisgarh.[3] The early rulers of the dynasty ruled from Dantapuram; the capital was later moved to Kalinganagara (modern Mukhalingam), and ultimately to Kataka (modern Cuttack).
NOTE
Several empires in world history have been contenders for the largest of all time, depending on definition and mode of measurement. Possible ways of measuring size include area, population, economy, and power. The list is not exhaustive owing to a lack of available data for several empires; for this reason and because of the inherent uncertainty in the area estimates, no rankings are given.