The literal translation of 'Jannah' is Garden. Jannat 'Adn (Garden of Eden) is specifically mentioned by name in the Qur'an in two places: Gardens of Everlasting Bliss (At-Tawba:72, Ar-Ra'd:23).
Al-Jannat are also mentioned by other names:
:: Firdaws — The Highest Gardens of the Paradise (al-Kahf:107, Al-Muminun:11)
:: Dār al-maqāmah — The Home (Fatir:35)
:: Dār al-salām — Home of Peace (Yunus:25)
:: Dār al-akhira — The Home in the Hereafter (al-Ankabut:64)
:: al-Jannah — This is the most commonly used term in the Qur'an and Hadith.
:: Jannat al-‘adn — Gardens of Everlasting Bliss (At-Tawba:72, Ar-Ra'd:23)
:: Jannat al-khuld — The Eternal Gardens (Al-Furqan:15)
:: Jannat al-ma’wá — Garden of Abode (An-Najm:15)
:: Jannat al-na‘īm — The Gardens of Delight (Al-Ma'ida:65, Yunus:9, Al-Hajj:56)
:: Maq‘ad al-ṣidq — Assembly of Truth (Al-Qamar:55)
:: al-Maqām al-amīn — The House of Security (Ad-Dukhan:51)
In Islam, Al-Jannat are incomprehensible except from what God has told us and you can find the Quranic description of Paradise in this link:
http://members.cox.net/arshad/paradise.html
It is the permanent abode for the believers.
May we all return to Our Lord and abide in the home of the believers, Ameen.