 Two are dedicated to Glasgow while the third is Edinburgh International which, as it is situated on the west side of Edinburgh, is relatively close to Glasgow.These airports are Glasgow Airport (GLA) ( west of the city centre) in Renfrewshire, Glasgow Prestwick Airport (PIK) ( south west) in Ayrshire, Edinburgh Airport (EDI), ( east) in Edinburgh and Glasgow Seaplane Terminal, by the Glasgow Science Centre on the River Clyde.There are also several smaller, domestic and private airports around the city.