Native to:
Afghanistan,
Andaman Is.,
Assam,
Bangladesh,
Bismarck Archipelago,
Burkina,
Cambodia,
Chad,
China North-Central,
China South-Central,
China Southeast,
East Himalaya,
Egypt,
Ethiopia,
Gulf States,
Hainan,
India,
Japan,
Jawa,
Kazakhstan,
Kirgizstan,
Korea,
Laos,
Lesser Sunda Is.,
Malaya,
Maluku,
Myanmar,
Nansei-shoto,
Nepal,
New Guinea,
Nicobar Is.,
Northern Territory,
Oman,
Pakistan,
Philippines,
Queensland,
Saudi Arabia,
Sinai,
Solomon Is.,
Sri Lanka,
Sudan-South Sudan,
Sumatera,
Tadzhikistan,
Taiwan,
Thailand,
Tibet,
Turkmenistan,
Uzbekistan,
Vietnam,
West Himalaya,
Xinjiang,
Yemen
Introduced into:
Caroline Is.,
Christmas I.,
Costa Rica,
Cuba,
Fiji,
Florida,
Greece,
Hawaii,
Kriti,
Madagascar,
Marianas,
New Caledonia,
Panamá,
Puerto Rico,
Society Is.,
Trinidad-Tobago,
Vanuatu