There are various important cities, states and Countries get their names changed in the course of time. This is the list which provides the details of all important Changed names of Cities States and Countries.
Changed Names of Cities States and Countries : Indian Cities List
| City New Name | City Old Name |
| Alapuzha | Alleppy |
| Varanasi | Banaras |
| Bengaluru | Banglore |
| Chennai | Madras |
| Kakinada | Cocanada |
| Guwahati | Gauhati |
| Indore | Ahilyanagri |
| Ramabai Nagar | Kanpur Dehat |
| Kanyakumari | Cape Comorin |
| Kochi | Cochin |
| Kolkata | Fort William (then to Calcutta) |
| Kozhikode | Calicut |
| Mangluru | Mangalore |
| Mumbai | Bombay |
| Mysuru | Mysore |
| Warrangal | Orugallu |
| Palakkad | Palghat |
| Patna | Patliputra |
| Prakasam | Ongole, Andhra Pradesh |
| Thanjavur | Tanjore |
| Thiruvananthapuram | Trivendrum |
| Udagmandalam | Ootacmund, Ooty |
| Ujjain | Avantika |
| Vadodara | Baroda |
| YSR District | Cuddapah (then Kadapa) |
Changed Names of Cities States and Countries : Indian States List
| State New Name | State Old Name |
| Andhra Pradesh | Hyderabad |
| Karnataka | Mysore |
| Kerala | Travancore |
| Lakshdweep Islands | Laccadive, Minicoy and Amindivi Islands |
| Madhya Pradesh | Madhya Bharat |
| Odisha | Orissa |
| Puducherry | Pondicherry |
| Uttar Pradesh | United Provinces |
Changed Names of Cities States and Countries : Countries List
| Country New Name | Country Old Name |
| Ankara | Angora |
| Bangladesh | East Pakistan |
| Belize | British Honduras |
| Benin | Dahomey |
| Botswana | Bechuanaland |
| Cape Kennedy | Cape Canaveral |
| Ethiopia | Abyssinia |
| Ghana | Gold Coast |
| Guinea | French Guinea |
| Guinea Bissau | Portuguese Guinea |
| Indonesia | Dutch East Indies |
| Iran | Persia |
| Iraq | Mesopotamia |
| Jakarta | Batavia |
| Japan | Nippon |
| Malagasy | Madagaskar |
| Malawi | Nyasaland |
| Malaysia | Malaya |
| Mali | French West Africa |
| Mauritania | West French Africa |
| Myanmar | Burma |
| Namibia | South west Africa |
| Netherlands | Holland |
| Republic of Congo | Zaire |
| Sri Lanka | Ceylon |
| Surinam | Dutch Guyana |
| Taiwan | Farmosa |
| Tanzania | Tanganyika and Zanzibar |
| Thailand | Siam |
| United Arab Emirates | Trucial Oman |
| Zambia | Northern Rhodesia |
| Zimbabwe | Southern Rhodesia |