This research looks at Pakistan’s place in the regional security in South Asia with regard to its strategic location, nuclear capacities and domestic security issue. Since one of the major players in the region Pakistan, Pakistan suffers from a territorial dispute, mainly Kashmir conflict, and also faces internal threats like terrorism and insurgency. However, Pakistan enjoys strategic affiliations, particularly with China, via the China Pakistan Economic Corridor (CPEC) which enhances economic and geopolitical positioning of the country. Additionally, the study examines the impact of a changing world order, especially a US-China rivalry, on Pakistan’s regional security strategies. This research attempts to identify ways Pakistan can increase its regional influence and further security stability of South Asia by analyzing short and long term internal and external factors.