Native to:
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Central African Republic,
China South-Central,
China Southeast,
Comoros,
Congo,
Djibouti,
East Aegean Is.,
East Himalaya,
Eritrea,
Ethiopia,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf States,
Hainan,
India,
Iran,
Iraq,
Ivory Coast,
Kenya,
Kriti,
KwaZulu-Natal,
Laos,
Liberia,
Madagascar,
Malawi,
Malaya,
Mozambique,
Myanmar,
Namibia,
Nepal,
Nicobar Is.,
Nigeria,
Northern Provinces,
Oman,
Pakistan,
Philippines,
Rwanda,
Saudi Arabia,
Senegal,
Sierra Leone,
Somalia,
Sri Lanka,
Sudan,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Togo,
Turkey,
Uganda,
Vietnam,
West Himalaya,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Afghanistan,
Algeria,
Azores,
Bermuda,
Bolivia,
California,
Cayman Is.,
Chad,
Cuba,
Dominican Republic,
Egypt,
El Salvador,
Fiji,
Florida,
Great Britain,
Greece,
Gulf of Guinea Is.,
Italy,
Leeward Is.,
Libya,
Madeira,
Mali,
Mauritania,
Mauritius,
Mexico Northwest,
Morocco,
Mozambique Channel Is.,
New Caledonia,
New South Wales,
New Zealand North,
Norfolk Is.,
Northern Territory,
Palestine,
Puerto Rico,
Queensland,
Réunion,
Sicilia,
Sinai,
Socotra,
South Australia,
Spain,
Trinidad-Tobago,
Tunisia,
Victoria,
Western Australia,
Western Sahara