Worship per Islam religion means adherence to three pillars:
Refer to questions below.
If you who Muslims worship, then the answer is Allah (God in English). If you mean praying by your saying worship, then the answer is that the Imam is the one who leads Muslims during praying.
I presume you mean Muslims. The place of worship for Muslims is called a Masjid, also called a Mosque in some places.
A holy place of worship
Muslims worship in mosques. Jewish people worship in synagogues.
Muslims worship at a mosque it's Jews who worship at a synagogue
everything because its the time to worship allah
Muslims worship in a Masjid. Also called a mosque. == ==
Muslims do not worship any country. however, the question may be asking about in what countries do Muslims worship. The answer is Muslims worship in almost all countries of the world, either as majority or as minority.
Muslims can worship in any country, there are no rules about this.
Muslims worship house
Shi'ite Muslims worship in Mosques as do Sunni Muslims.
Muslims go to Mosques and Christians go to churches.