Most of Gaza's 1.4 million residents are refugees or descendants of refugees of the Palestinians exodus.
Bordering Egypt on the south-west and Israel on the north and east - it is about 41 kilometers (25 mi) long, and between 6 and 12 kilometers (4–7.5 mi) wide, with a total area of 360 square kilometers (139 sq mi).
Oslo Accords signed between Israel and the Palestinian Liberation Organization allows Israel to maintain military control of the Gaza strip's airspace, land borders and territorial waters.
Source: Abridged from wikipedia.org