Jazira, al-Jazira, Jazeera, al-Jazeera, etc. are all transcriptions of Arabic الجزيرة meaning "the island" or "the peninsula".
The term may refer to:
Business
Jazeera Airways, an airlines company based in Kuwait
Locations
Al-Jazira, a traditional Arabic name for Upper Mesopotamia
Cizre District in Turkey
Al-Jazira (caliphal province), an Umayyad and Abbasid province encompassing Upper Mesopotamia in modern Syria, Iraq and Turkey.
Al-Jazira Province, former Syrian province
Jazira Region, an autonomous Syrian region
al-jazīrah al-ʻarabīyah, the Arabian Peninsula
Al Jazirah, Sharjah, United Arab Emirates
Algeria (Berber: ⴷⵣⴰⵢⴻⵔ Dzayer from Arabic: الجزائر al-Jazā'ir) North Africa
Algiers, the capital city of Algeria
Al Jazirah (state), Sudan
Gezira (Cairo), island in Egypt
Gezir, town in Iran
Algeciras, Spain
Ciutadella de Menorca (Madina al Jazira), Minorca, Balearic Islands
Alzira, Valencia, Spain
Lezíria do Tejo, Portugal
Gżira, a town in Malta
Cizre, Turkey
Zalzala Koh or Zalzala Jazeera, Pakistan
St. Martin's Island, Bangladesh
Jazeera Beach, Somalia
Media
Al Jazeera Media Network
Al Jazeera Arabic, an Arabic language news television channel
Al Jazeera America, the network's American national news channel
Al Jazeera Balkans, the network's Balkans regional news channel
Al Jazeera English, the English language global news channel
Al Jazeera Türk, the network's defunct Turkish news website
Al Jazeera Mubasher, international Arabic language pan-regional public affairs network
Aljazeera Publishing, defunct publisher of Aljazeera Magazine
Aljazeera Magazine, a defunct magazine published by Aljazeera Publishing
Aljazeera.com, the former website of Aljazeera Magazine
Al Jazirah (newspaper), a Saudi daily newspaper
Sports
Al Jazira Club, a sports team in Abu Dhabi, United Arab Emirates
Al-Jazira FC, a Kuwaiti Football Club.
Al-Jazeera (Jordan), a football club in Jordan
Al Jazirah Al Hamra Club, a football club in the United Arab Emirates
Al-Jazeera SC (Syria), a football club in Syria
Aljazeera Sports Club, a football club in Libya
Al Jazeera SC, a sports club located in Mersa Matruh, Egypt
Gezira Sporting Club, a sports club located in Cairo, Egypt
Gezira (basketball club), a basketball club located in Cairo, Egypt