I agree with Katyd, it's wherever you 'were' location wise is the place that you use in SR, not birth place. Lots of people actually relocate to alter the configurations to their best advantage.
Here are some research links for you...
The house in which the Sun falls in the SR chart is the birthday month's forecast and influence, and each house after is the following month, since the Sun transits at the rate of one sign or house per month. Each house is treated as events in that month, and the sign and planet ruling the cusp influences the outlook for that month. The chart is used like a clock, with 12 months on its face instead of 12 hours. As the Sun conjoins or aspects other planets in the SR, it will generate events