Original sentence: The English word "Afghanland" that appeared in various treaties between Qajar Dynasty and the United Kingdom (in 19th century) dealing with the lands between Iran and British Raj (modern Afghanistan) was later adopted by Afghan officials as "Afghanistan" and became the official name of the entire kingdom during the reign of Abdur Rahman Khan, formed by several provinces: Hari (Herat and eastern regions of Iran), Seestan (south eastern Iran, south western Afghanistan), Stagidya and Ghazna (central regions of Afghanistan), Bactria (Balkh and Badakhshan), Transoxiana and Kabulistan
Edited sentence: The English word "Afghanland" that appeared in various treaties between Qajar Dynasty and the United Kingdom (in 19th century) dealing with the lands between Iran and British Raj (modern Afghanistan) was later adopted by Afghan officials as "Afghanistan" and became the official name of the entire kingdom during the reign of Abdur Rahman Khan