The Republic of Yemen (Arabic: الجمهورية اليمنية‎ al-Jumhūriyyah al-Yamaniyyah), commonly known as Yemen ⁱ/ˈjɛmən/ (Arabic: اليَمَن‎ al-Yaman), is a country located in Western Asia, occupying the southwestern to southern end of the Arabian Peninsula. It is bordered by Saudi Arabia to the north, the Red Sea to the west, the Gulf of Aden and Arabian Sea to the south, and Oman to the east.

Sana'a (also spelled Sanaa or Sana; Arabic: صنعاء‎ Ṣanaʿāʾ pronounced [sˤɑnʕaːʔ], Yemeni Arabic: [ˈsˤɑnʕɑ]) is the capital of Yemen and the centre of Sana'a Governorate. The city is not part of the Governorate, but forms the separate administrative district of "Amanat Al-Asemah".

Sana'a is one of the oldest continuously inhabited cities in the world. At an altitude of 2,300 metres (7,500 ft), it is also one of the highest capital cities in the world. Sana'a has a population of approximately 1,937,500 (2012), making it Yemen's largest city.

The old city of Sana'a, a UNESCO World Heritage Site, has a distinctive visual character due its unique architectural characteristics, most notably expressed in its multi-storey buildings decorated with geometric patterns. Located here is the Great Mosque of Sana'a, the largest in the city.

Hadhramaut, Hadhramout, Hadramawt or Ḥaḍramūt (Arabic: حضرموت‎ Ḥaḍramawt) is the formerly independent Qu'aiti state and Kathiri sultanate encompassing a historical region of the south Arabian Peninsula along the Gulf of Aden in the Arabian Sea, extending eastwards from Yemen to the borders of the Dhofar region of Oman. The name of the region is currently retained in the smaller Hadhramaut Governorate of the Republic of Yemen. The people of Hadhramaut are called Hadhramis and speak Hadhrami Arabic.