According to Anadolu Agency, hundreds of armed members of the Ezzeddin al-Qassam Brigade have been deployed across the Palestinian territory.
"The exercises have been planned in advance," Hamas said in a statement on Saturday.
Jerusalem is considered a sacred place, which is home to Jewish, Christian and Muslim holy sites.
However, it is also a disputed territory, contested by both Israel and Palestine, which sees it as a capital of its future state. (ANI)