Please help me to which CBA bank I should go to pay for my visa? thanks

The Embassy in Kenya designates three branches of CBA as the recipient: 1. Upper Hill; 2. Wabera; 3. Mama Ngina.
You can go to any one of them to make the payment.
Here are the details:

Mara&Ragati Roads, Upper Hill Tel.2884000/2734555

Wabera&Standard Streets, City Centre Tel.3254000/2228881-9

International House Mama Ngina Street, City Centre Tel.2228802/66/67

Note: Payment should be made with the pickup form before collection during the working hours of above three CBA branches.