Kfar Saba, officially Kfar Sava, is a city in the Sharon region, of the Central District of Israel. In 2019 it had a population of 110,456, making it the 16th-largest city in Israel. The population of Kfar Saba is nearly entirely Jewish.

The Central District of Israel is one of six administrative districts, including most of the Sharon region. It is further divided into four sub-districts: Petah Tikva, Ramla, Sharon, and Rehovot. The district's largest city is Rishon LeZion. The district's population as of 2017 was 2,115,800. According to the Israeli Central Bureau of Statistics, 88% of the population is Jewish, 8.2% is Arab, and 4% are "non-classified", being mostly former Soviet Union immigrants of partial or nominal Jewish ethnic heritage or household members of Jews.