Collection of Islamic buildings and mosques designed using the colour blue. The colour blue (al-azraq) in Islamic tradition often signifies the impenetrable depths of the universe, and turquoise blue is thought to have mystical qualities.

Jalil Khayat Mosque, Erbil, Kurdistan, Iraq. The largest mosque in the city, it was begun by Jalil Khayat who died in 2005 and completed in 2007 by his sons in memory of their father. The blue style resembles the Mosque of Muhammad Ali in Cairo and Blue mosque in Istanbul.

Sultan Qaboos Grand Mosque in Sohar, Oman. Inaugurated in 2018 and influenced by Persian and central Asian blue Islamic architectural styles with touches of traditional Omani architectural elements that make it unique.

Ali Ibn Hamzeh Holy Shrine, Shiraz, Iran. Constructed in pre-Seljuk times to honour a relative of the fourth Imam. Renowned for its blue tiles, its two minarets, exterior dome, entrance vestibule and courtyard rooms, date from the late 18th and 19th centuries.

Kalta Minor Minaret, Khiva, Uzbekistan. One of the last great blue buildings in the Khanate of Khiva was Kalta Minor. This had to be the tallest structure in Khiva and in the whole of Central Asia. Works ended abruptly in 1855, leaving this beautiful minaret unfinished.

Shah Rukn-e-Alam, Multan, Pakistan. Built between 1320 and 1324 CE by Ghiyath al-Din Tughluq in the pre-Mughal architectural style. It is the mausoleum of Sufi saint Sheikh Rukn-ud-Din Abul Fateh and is the earliest example of Tughluq architecture, with blue tile details.

Blue Mosque, Mazari Sharif, Afghanistan. Many Afghanis believe Ali ibn Abi Talib is buried here. The building gives the city, Mazari Sharif (meaning "Tomb of the Exalted") its name. The shrine was erected here in 1136 and is famous for its beautiful blue tiles.

Sheik Lotfollah Mosque, Imam Square, Esfahan, Iran. Construction of the mosque started in 1603 and was finished in 1619. It was built by the chief architect Mohammadreza Isfahani, during the reign of Shah Abbas I of Persia, it is renowned for its blue details.

The Shah Jahan Masjid, Thatta, Sindh, Pakistan. A 17th-century building that is the central mosque for the city of Thatta. It was built during the reign of Mughal emperor Shah Jahan, who bestowed it to the city as a token of gratitude. It has beautiful blue tiles.

Blue Mosque, Yerevan, Armenia. Commissioned by Huseyn Ali Khan, the khan of the Iranian Erivan Khanate and completed in 1766. It was the largest of the eight mosques of Yerevan in the 19th century and is the only active mosque in Armenia today.

Mausoleum Shah Nematollah Vali, Mahan, Kerman, Iran. Shah Nematollah Vali was a renowned Iranian mystic and poet. He died in 1431 aged over 100. In 1436 a shrine was erected in his honour, with distinct beautiful turquoise blue tiles.

Markazi Jamia Masjid, Rawalpindi, Pakistan. One of the oldest mosques in Rawalpindi and an architectural beauty. Built almost 100 years ago, the mosque still stands tall among historical sites of the city due to its blue and turquoise mosaics and glass artwork.

Tilla Kari Madrasah, Samarkand, Uzbekistan. Built in the 17th century as the last, largest and most embellished structure of the famed Registan Square. It's name means ‘gold-covered', referring to the lavish decoration of its domed chamber. It is covered in blue tiles.

Central Mosque of St. Petersburg, Russia. When opened in 1913, it was the largest mosque in Europe outside Turkey, its minarets 49 meters in height and the dome is 39 meters high. It can accommodate up to 5000 worshippers and is renowned for its beautiful blue tiles.

Tiled Mosque, Kutahya, Turkey. Constructed by the painter and flute player Ahmet Yakupoğlu in 1973. It is inspired by Middle Asian Turkish architecture and is decorated with blue çini of Kütahya which is a special production.

The Mughal Masjid, Mumbai, India. This Blue Masjid was constructed over 150 years ago, by an Iranian trader, Mohomed Hussain Shirazi. The exterior is clad with blue mosaic tiles brought from Iran, with inlays of the Surahs (verses) from the Qur’an.

Mausoleum of Khoja Ahmed Yasawi, Kazakhstan. One of the oldest and most famous blue buildings in Kazakhstan. Khoja Ahmed Yasawi was an 11th-century mystic, poet and religious leader. Construction began in 1389 by the order of Timur, ruler of the Timurid Empire.

Shah-i-Zinda, Uzbekistan. Ensemble includes mausoleums and other ritual buildings of 11-15th and 19th centuries. The name Shah-i-Zinda (meaning "The living king") is connected with the legend that Qutham ibn Abbas, a cousin of the Prophet Muhammad PBUH, is buried here.

The Blue Mosque, or Aqsunqur Mosque, Cairo, Egypt. The largest mosque in the district. Built in 1347 by Amir Aqsunqur, it incorporates a mausoleum and courtyard for prayer. The interior is decorated with these beautiful blue Iznik tiles from Istanbul and Damascus.

The Haydar Khana Mosque, Baghdad, Iraq. Built by Al-Nasir during the Abbasid Caliphate. The name of this turquoise mosque was attributed to Haydar Pasha Jalabi bin Muhammad Jalabi Shahbandar, who is buried in the same place along with some members of his family.

Seyyed Mosque, Isfahan, Iran. The biggest and the most famous blue mosque from the Qajar era in Isfahan. It was founded in the 19th century by Seyyed Mohammad Bagher Shafti, one of the most famous clergymen in Isfahan.

Bibi Khanym Mosque, Uzbekistan. One of the most outstanding in the Islamic world. Built between 1399 and 1404 during the last years of the Turkic-Mongol conqueror, Timur, the Bibi Khanym mosque is riveting in its monumental scale, splendor and turquoise and blue tiles.

Yazd Jame Mosque, Iran. Built in the 12th century. A magnificent double-shell turquoise dome crowns the mosque. The entrance of the mosque is decorated with Quranic verses, slates outlining government laws, endowment deeds and reports of repair work on the structure.

Dome of the Rock. Built between AD 685 and 691 by the caliph 'Abd al-Malik ibn Marwan. The mosque has Surah Yaseen inscribed on blue tiles around the exterior. They were added by the Ottoman sultan, Suleiman Al Qanouni in 1615 CE.

Gur-E-Amir Mausoleum, Samarkand, Uzbekistan. Persian for "Tomb of the King" contains the tombs of Tamerlane, his sons, grandsons and Timur's teacher. The earliest part of the complex was built at the end of the 14th century. Renowned for its blue & turquoise tiles.