"i see no great issue beyond the fact that the English and Germans picked some stupid places to wage war. I see strategic importance in Egypt (Suez canal), Greece, Italy, Spain, Modern day Iran, Iraq, Yemen due to the water ways but Turkey? "
Whoever controlled the Dardanelles controlled the shipping routes between the Mediterranean and the Black sea. ie between Europe and Russia who was an Ally. Victory over the Ottomans would have meant Constantinople and modern day Turkey was in Allied hands. Hence security of supplies such as oil (together with the Suez canal), military, etc would have been established, and the Axis would have been largely cut-off. See map below. Bulgaria would also likely have fallen and the Axis would have been crippled
