I have visited this region 2 times. Kenya was my first and Ethiopia my most recent.  I have several blog posts about these trips.

Check them out.

Ethiopia, The Most Unique & Challenging Country To Date

Meters and Meters Later – 4985m (Kenya)

Relax day? – Uganda

Had to literally force myself to leave 😦 – Zanzibar, Tanzania

Ethiopian Churches and Religion

Simien Mountain Trek (Ethiopia)

Safari Animals in Kenya