Definite Article with geographical names

...Kyiv is ... of ... Ukraine.

... Danube is the longest river in .. Europe.

... UK is situated on ... British isles.

...Niagara falls is in ... Canada.

... Adriatic sea lies between ... Italy and ... Crotia.

a Dutch lives in ... Netherlands.

...Indian ocean is between ... Africa and ... Australia.

... Great Barrier Reef is on ... south-east of ... Australia.

... Great Lakes is a lake system in .. Southern America on the territories of ... Canada and ... USA

...Germany, ... Italy, ...Turkey and other countries are the members of ... European Union.