The capital city of the Republic of the Yemen is Sana'a. It is one of the oldest continuously inhabited cities in the world and is known for its unique architectural style, featuring tower houses made of mud bricks. Sana'a has a rich history dating back over two millennia and was recognized as a UNESCO World Heritage site in 1986. The city has faced significant challenges due to ongoing conflicts, affecting its culture, heritage, and infrastructural development. Despite this, Sana’a remains a symbol of Yemen's historical and cultural identity.