Sergiyev Posad is considered the doll capital of Russia. In 1904, Russia's first matryoshka factory was built here. Sergiyev Posad (Russian: Сергиев Посад) is one of the cities of the Golden Ring of Russia and is located about 70 km northeast of Moscow. Here is the Holy Trinity Monastery of St. Sergius, one of the most important centers of the Russian Orthodox Church and a UNESCO World Heritage Site