Adam Kok's Land, also known as the Philippolis Captaincy, was a Griqua State located within the southern portion of the Free State Province of South Africa. Established in 1825, The region was ruled by the Kok family until the British annexation in 1848 by Sir Harry Smith.

Despite the annexation, the Griqua people did not immediately leave and remained for more than a decade. In 1861, Adam Kok III moved his people southeast to establish Griqualand East.

The area that later became Philippolis was originally inhabited by the Khoe-Khoe and San peoples. During and after the Bantu expansions, many assimilated into the neighboring Sotho and Xhosa tribes.^[1]

The region remained largely uncontacted by Europeans until the London Missionary Society began work in the region.

In the year 1815, Andries Waterboer—a rising star among the Griqua—overthrew the Barends and Kok clans in Griqualand West. In December of 1820, missionaries have Andries officially installed as Kaptijn (Captain) of the territory.

Andries's rise to power lead ex-Kaptijn Adam Kok II and his supporters to Campbell Here they established a new captaincy with the Kok family at its helm.

The area itself was great for cattle, which the pastoral Griqua people favored.^[2]