Final answer:
The term "House of Islam" refers to countries where Muslims can practice their religion as the ruling religious denomination and the practice of other religions is tolerated.
Step-by-step explanation:
The term you are referring to is the House of Islam. This term is used in world history and by Muslim scholars to describe countries where Muslims can freely practice their religion as the ruling religious denomination, while also tolerating the practice of other religions.
One example of a House of Islam is Saudi Arabia, where Islam is the official religion and Muslims have the freedom to practice their faith. However, non-Muslims are also permitted to practice their religions privately.
Another example is Indonesia, which has the largest Muslim population in the world. In Indonesia, Islam is recognized as the official religion, but the country also recognizes other religions and guarantees religious freedom for its citizens.