1. USA is the country having most airports in the world. In Asia, Indonesia is having most airports and India is in 3rd Position.
2. The biggest airport in the world is King Fahd International Airport located in Dammam of Saudi Arabia.
3. IATA (International Air Transport Association) is the agency that gives Codes to airports in Different countries. The headquaters of IATA is in Montreal, a city in Canada.
4. The first International Airport came into existence in the world is Croydon Airport in London.
5. Chhatrapati Shivaji International Airport is the busiest airport in India and also in South Asia.
6. Kerala has four international airports and is in first position having number of International airports in a state in India. Thiruvananthapuram, Nedumbassery (Ernakulam), Karipur (Malappuram) and Kannur are the three international airports of Kerala. Nedumbassery in Ernakulam is the first international airport that was built by private companies without the help of Central Government.
7. Indira Gandhi International Airport is located at New Delhi. Whereas Netaji Subhash Chandra Bose airport is located at Kolkata.
8. Zero or Ziro Airport is located at Arunachal Pradesh.
9. Veer Savarkar International Airport is located at Port Blair of Andaman.
10. Lokpriya Gopinath Bordoloi is the International Airport located at Guwahati of Assam.
11. Lok Nayak Jayaprakash Airport is located at Patna of Bihar.
12. Sardar Vallabhbhai Patel International Airport is located at Ahmedabad of Gujarat. Birsa Munda Airport is located at Ranchi of Jharkhand.
13. Devi Ahilyabai Holkar Airport is located at Indore of Madhya Pradesh.
14. Dabolim Goa International Airport is located at Goa.Dr. Babasaheb Ambedkar International Airport is located at Nagpur of Maharashtra.
15. Biju Patnaik International Airport is located at Bhubaneswar of Odisha.
16. Sri Guru Ram Dass Jee International Airport (Raja Sansi town) is located at Amrister of Punjab.
17. Jaipur Airport is located at suburb of Sanganer in Jaipur.
18. Gaggal Kangra Airport is located at Dharmasala of Himachal Pradesh.
19. Anna International Airport is located at Chennai of Tamil Nadu.
20. Kushok Bakula Rimpochhe Airport is located at Leh of Jammu and Kashmir. It's one among the highest airports in the world which is located at about 3,256 meter above sea level.
21. Mangalore Airport early known as Bajpe Airport is an international airport in Mangalore of Karnataka.
22. Leonardo da Vinci Fiumicino Airport is the international Airport of Italy located at Venice.
23. Narita International Airport is located at Tokyo, the capital city of Japan. Ben Gurion Airport is the international Airport located at Israel.
24. John F. Kennedy International Airport is located at Queens in New York City. Charles de Gaulle Airport is located at Paris.
25. Tribhuvan International Airport is located in Kathmandu and is the only International Airport of Nepal.