The State Grand Mosque, also known as Sheikh Muhammad Ibn Abdul Wahhab Mosque, is located in the capital city of Doha, Qatar. The mosque is named after Muhammad ibn Abd al-Wahhab, a religious leader and the founder of the Wahhabi movement. It is one of the largest mosques in Qatar, with a capacity to accommodate up to 30,000 worshippers.

The mosque features a blend of traditional and modern Islamic architecture, with its main dome and minarets reflecting a modern design, while the rest of the building is inspired by traditional Islamic architecture. The mosque's interior is adorned with intricate Islamic calligraphy and features a large central chandelier.

The mosque covers an area of 175,000 square meters and features a library, lecture halls, and a separate prayer area for women. The mosque's grounds also include large outdoor areas for worshippers to gather during major Islamic festivals such as Eid al-Fitr and Eid al-Adha.

The State Grand Mosque is a significant landmark and a popular tourist destination in Qatar. It is open to non-Muslim visitors for guided tours, where they can learn about Islamic traditions and culture. The mosque is open for daily prayers and holds Friday congregational prayers, which is attended by thousands of worshippers from around the country.