Anster Scots Gaelic: Ànsruthair[1] Inglis: Anstruther
Ainster seafront
Anster Location within Fife
Population	3,600
OS grid reference	NO564035
Cooncil area	Fife
Lieutenancy area	Fife
Kintra	Scotland
Sovereign state	Unitit Kinrick
Post toun	Anstruther
Postcode destrict	KY10
Diallin code	01333
Police	Scots
Fire	Scots
Ambulance	Scots
EU Pairlament	Scotland
UK Pairlament	North East Fife
Scots Pairlament	North East Fife
Leet o places UK Scotland 56°13′24″N 2°42′10″W / 56.22344°N 2.70274°W / 56.22344; -2.70274Coordinates: 56°13′24″N 2°42′10″W / 56.22344°N 2.70274°W / 56.22344; -2.70274

Anster (Inglis: Anstruther Scots Gaelic: Ànsruthair) is a smaw toun in Fife, Scotland, nine mile sooth-sootheast o St. Andraes.