From London, to New York to the Ivy Coast, Muslims from all different countries come together for this tradition.
The holiday celebrates the conclusion of the 29 or 30 days of dawn-to-sunset fasting during the entire month of Ramadan.
Eid al-Fitr has a particular Islamic prayer consisting of two rakat (units) and generally offered in an open field or large hall.
This year in many countries the celebrations have been marred by conflict, political struggles and clashes.
Mosul held its first Eid without IS in three years.
A community centre in Camden organised an Eid feast for local muslims who were evcuated from their building over fire safety fears.