Western Highlands Mt Elgon Lake Victoria & Kisumu This fertile farm county is lush with vegetation and beautiful rolling hills, yet tourists are few and far between. The region is home to the Luo people, the third largest ethnic group in Kenya. Western Kenya is the most densely populated part of the county so travelers can tour with ease on a well developed road system. Western Kenya is also the agricultural center of the country with fertile farmland to the north and vast tea plantations in the south. © JamboKenya.