Many of them still stand today in varying sizes. Some are empty, some contain ruins. Some, as you’ll see below, contain entire villages.
So here are 6 of the best star forts on earth…
Palmanova, ItalyPalmanova is a town in northeastern Italy, close to the border with Slovenia.

Bourtange, The NetherlandsBourtange is a star fort and village in the Westerwolde region of the Dutch province of Groningen. It is a part of the municipality of Vlagtwedde, and lies about 32 km northeast of Emmen.
Goryokaku, JapanGoryokaku is a star fort in the city of Hakodate in southern Hokkaido, Japan. It was the main fortress of the short-lived Republic of Ezo.

Almeida, Portugal
Saint-Martin-De-Ré, FranceSaint-Martin-de-Ré is a commune in the Charente-Maritime department in western France.

Naarden, The NetherlandsNaarden is a municipality and a town in the Gooi region in the province of North Holland in the Netherlands