The Golden Coast, also known as the Eternal Golden Castle or Yi Tsai Golden Castle (Erkunshen), is an impressive historical artillery fortress located in the coastal zone of Tainan on the island of Taiwan. It is not just an old structure, but one of the country's most important historical monuments and popular tourist attractions, drawing visitors with its rich history and unique atmosphere.

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The primary purpose of the Eternal Golden Castle during its construction was to protect the city from potential maritime attacks. This powerful fortress served as a key defensive structure, guarding the coast of Tainan and its residents. A visit here allows you to touch the region's military past and imagine the events that unfolded by its walls.
The fort's architecture deserves special attention. It clearly demonstrates the European influence on military construction of that era, making the Eternal Golden Castle a truly unique historical site in Taiwan. Walking along its bastions and casemates is an opportunity not only to see an interesting fortification but also to gain a deeper understanding of the island's cultural and historical ties.