Barta'a

Katzir (Hebrew: קָצִיר) is a community settlement in north-central Israel. Located south-west of Umm al-Fahm and close to the Green Line, it falls under the jurisdiction of Menashe Regional Council. In 2021 it had a population of 2,933.

Ar'ara (Arabic: عرعرة, Hebrew: עַרְעָרָה; lit. "Juniper tree") is an Arab town in the Wadi Ara region in northern Israel. It is located southwest of Umm al-Fahm just northwest of the Green Line, and is part of the Triangle. In 2021, the population was 25,823.

Mitzpe Ilan (Hebrew: מצפה אילן) is a religious community settlement in northern Israel. Located south-west of Umm al-Fahm and close to the Green Line, it falls under the jurisdiction of Menashe Regional Council. In 2021 it had a population of 752.

Ein as-Sahla (Arabic: عين السهلة, Hebrew: עין א-סהלה) is an Arab village in Haifa District, Israel. The village is located in the Wadi Ara area of the northern Triangle. The village has about 2,000 residents. Since 1996, it has been under the jurisdiction of the Basma local council. The vast majority of the residents in Ein as-Sahla adhere to Islam.

Basma (Arabic: بسمة, Hebrew: בסמ"ה) is an Israeli Arab local council in the Wadi Ara area of Haifa District. The local council was formed in 1995 through the consolidation of the villages of Barta'a West, Ein as-Sahala, and Muawiya; Basma is an acronym of the villages' names. In 2021 it had a population of 10,497. Basma's jurisdiction area covers 3,956 dunams.

'Ara (Hebrew: עָרָה; Arabic: عاره) is a village in the Haifa District in northern Israel, located in the Wadi Ara valley. Since 1985, 'Ara has been part of the Ar'ara local council. It is located north of highway 65, between Ar'ara and Kfar Qara. Its population of 4,600 (as of 2004) is almost entirely Muslim.

Umm al-Qutuf (Arabic: أمّ القـُطـُف; Hebrew: אֻם אל-קֻטוּף) is an Arab village in northern Israel. Located in the triangle, it falls under the jurisdiction of Menashe Regional Council. In 2021 it had a population of 1,169.

al-Arian (Arabic: العريان; Hebrew: אל עריאן) is an Arab village in northern Israel. Located in Wadi Ara, it falls under the jurisdiction of Menashe Regional Council. In 2021 it had a population of 191.

Qaffin (Arabic: قفّين) is a Palestinian town located 22 kilometers (14 mi) northeast of Tulkarm in the Tulkarm Governorate in the northwestern West Bank. The town is an agricultural town. According to the Palestinian Central Bureau of Statistics, its population consisted over 8,387 inhabitants in 2007 and 10,690 in 2017. The built-up area of the town is 1,000 dunams.

Wadi Ara (Arabic: وادي عارة, Hebrew: ואדי עארה) or Nahal 'Iron (Hebrew: נחל עירון), is a valley and its surrounding area in Israel populated mainly by Arab Israelis. The area is also known as the "Northern Triangle".Wadi Ara is located northwest of the Green Line, in the Haifa District. Highway 65 runs through the wadi. The ancient town of biblical fame, Megiddo, known from Revelation 16:16 as Armageddon, used to guard its northern exit during much of the Bronze and Iron Ages.

The Battle of Arara took place on 19 September 1918 during the Battle of Sharon, which along with the Battle of Nablus formed the set piece Battle of Megiddo fought between 19 and 25 September in the last months of the Sinai and Palestine Campaign of the First World War. During the infantry phase of the Battle of Sharon the British Empire 60th Division, XXI Corps attacked and captured the section of the front line nearest the Mediterranean coast under cover of an intense artillery barrage including a creeping barrage and naval gunfire while the 3rd (Lahore), 7th (Meerut) and 75th Divisions XXI Corps attacked the Tabsor group of trenches. These Egyptian Expeditionary Force (EEF) victories over the entrenched Ottoman Eighth Army, composed of German and Ottoman soldiers, began the Final Offensive, ultimately resulting in the destruction of the equivalent of one Ottoman army, the retreat of what remained of two others, and the capture of many thousands of prisoners and many miles of territory from the Judean Hills to the border of modern-day Turkey. After the end of the battle of Megiddo, the Desert Mounted Corps pursued the retreating soldiers to Damascus, six days later. By the time an Armistice of Mudros was signed between the Allies and the Ottoman Empire five weeks later, Aleppo had been captured. During the Battle of Arara the Yildirim Army Group of the German and Ottoman Empires was attacked by the 54th (East Anglian) Division and the Détachement Français de Palestine et de Syrie (DFPS) which included the French Armenian Legion also known as La Légion Arménienne (XXI Corps). This battle on the extreme right of the main attack covered the flank of the attackers pivoting on their positions. The Armenian's' role during this battle was so prominent that their efforts were recognized by the top commanders of the Allied Force.

Reihan (Hebrew: רֵיחָן) is an Israeli settlement organized as a moshav ovdim in the northwest edge of the West Bank. Located close to the Green Line, it falls under the jurisdiction of Shomron Regional Council. In 2021 it had a population of 384. The international community considers Israeli settlements in the West Bank illegal under international law, but the Israeli government disputes this.