1. Estonia

One of the countries with the lowest population of muslims in the world, Estonia is presently having no official mosque. The Turath Islamic Cultural Center at the Tallinn is where a small number of Muslims in the country usually have their prayers.

2. Slovakia

Slovakia is one of the few European nations with strict laws against the religion of Islam. Four years ago, the country passed legislation to effectively block Islam from gaining official status as a religion in the country. Presently, Slovakia is the only state member of the European Union without any mosques. The only place of Muslim worship in the country under Islamic foundation is the Islamic Center of Cordoba. Although it is an unofficial Mosque, it is open every day of the year for all daily prayers except the Fajr prayer.

3. San Marino

In the small Republican nation, these is currently no single mosque. Islamic adherents in the country always worship at the Forli and Ravenna mosques located in Italy, the neighboring country.

4. Monaco

There is no single mosque in Monaco also. Underpopulated Muslims in the country often have their worships at an Islamic center in the neighboring country, France.

5. Vatican City

In Vatican City, the headquarters of the Roman Catholic Church, there is no mosque and synagogue.

6. Uruguay

One of the countries with the smallest population of Muslims, there is no single mosque in Uruguay. The Egyptian embassy in Montevideo, the capital city of the country, functions as a room for Friday prayers.

7. São Tomé and Principe

Islam is a minority religion in São Tomé and Príncipe. However, there is currently no mosque in the country, making it the only country in Africa without a single mosque.