Sde Yitzhak is a moshav

Moshav

Moshav is a type of Israeli town or settlement, in particular a type of cooperative agricultural community of individual farms pioneered by the Labour Zionists during the second aliyah...

 in northern Israel

Israel

The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

. Located in the eastern Sharon plain to the south-east of Hadera

Hadera

Hadera is a city located in the Haifa District of Israel approximately from the major cities of Tel Aviv and Haifa. The city is located along of the Israeli Mediterranean Coastal Plain...

, it falls under the jurisdiction of Menashe Regional Council

Menashe Regional Council

The Menashe Regional Council is a regional council near the city of Hadera, on Israel's north-central coastal plain in the southern Haifa District.-List of localities:...

. In 2006 it had a population of 264.

The village was established in 1951 on the former site of Lahavot Haviva, which had moved to its present location three kilometres east the previous year. The founders were immigrants

Aliyah

Aliyah is the immigration of Jews to the Land of Israel . It is a basic tenet of Zionist ideology. The opposite action, emigration from Israel, is referred to as yerida . The return to the Holy Land has been a Jewish aspiration since the Babylonian exile...

 from Poland

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

. The moshav was named after Yitzhak Sadeh

Yitzhak Sadeh

Yitzhak Sadeh , was the commander of the Palmach, one of the founders of the Israel Defense Forces at the time of the establishment of the State of Israel and a cousin of British philosopher Isaiah Berlin.-Biography:...

, a founder of the Palmach

Palmach

The Palmach was the elite fighting force of the Haganah, the underground army of the Yishuv during the period of the British Mandate of Palestine. The Palmach was established on May 15, 1941...

.