Native to:
Angola,
Assam,
Bangladesh,
Benin,
Borneo,
Botswana,
Burundi,
Cabinda,
Cambodia,
Cameroon,
Cape Provinces,
Caprivi Strip,
Central African Republic,
Chad,
China South-Central,
China Southeast,
Congo,
Djibouti,
Eritrea,
Ethiopia,
Free State,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Lesotho,
Lesser Sunda Is.,
Liberia,
Malawi,
Malaya,
Mali,
Maluku,
Mauritania,
Mozambique,
Myanmar,
Namibia,
Nepal,
Niger,
Nigeria,
Northern Provinces,
Pakistan,
Philippines,
Rwanda,
Saudi Arabia,
Senegal,
Sierra Leone,
Somalia,
South China Sea,
Sri Lanka,
Sudan,
Sulawesi,
Swaziland,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Andaman Is.,
Brazil Southeast,
Caroline Is.,
Colombia,
Cuba,
Dominican Republic,
Egypt,
Fiji,
Florida,
French Guiana,
Guyana,
Hawaii,
Leeward Is.,
Marianas,
Mauritius,
Nicaragua,
Nicobar Is.,
Northern Territory,
Puerto Rico,
Queensland,
Samoa,
Suriname,
Taiwan,
Texas,
Tonga,
Trinidad-Tobago,
Wake I.,
Western Australia,
Windward Is.