Native to:
Andaman Is.,
Assam,
Bangladesh,
Borneo,
Cambodia,
Caroline Is.,
China North-Central,
China South-Central,
China Southeast,
East Himalaya,
Hainan,
India,
Japan,
Jawa,
Kazan-retto,
Korea,
Laccadive Is.,
Laos,
Lesser Sunda Is.,
Malaya,
Maldives,
Maluku,
Myanmar,
Nansei-shoto,
Nepal,
New Guinea,
New South Wales,
Nicobar Is.,
Northern Territory,
Ogasawara-shoto,
Pakistan,
Philippines,
Queensland,
Samoa,
Solomon Is.,
Sri Lanka,
Sulawesi,
Sumatera,
Taiwan,
Thailand,
Tibet,
Vanuatu,
Vietnam,
West Himalaya,
Western Australia
Introduced into:
Benin,
Cameroon,
Comoros,
Gabon,
Guinea,
Guinea-Bissau,
Ivory Coast,
Leeward Is.,
Madagascar,
Mauritius,
North Caucasus,
Réunion,
Senegal,
Trinidad-Tobago,
Windward Is.