What is israelian?

I am sorry, but the term "israelian" is incorrect and does not refer to any known nationality or ethnicity. The correct terminology would be "Israeli", which refers to a person or thing related to Israel, a country located in the Middle East. Israeli culture is influenced by Jewish, Arab, and Mediterranean traditions and is known for its diverse and vibrant arts, music, and cuisine. The official languages of Israel are Hebrew and Arabic, and the country has a parliamentary democratic government. Israel is also known for its innovative technological advancements, particularly in the areas of cybersecurity, medical research, and renewable energy.