Please tell me about kiku's birthday party, and where are Mianxian and Lueyang?

Mianxian County, a county under the jurisdiction of Hanzhong City, Shaanxi Province, is located in the south of Shaanxi Province, at the western end of Hanzhong Basin, with Qinling Mountains in the north and Bashan Mountain in the south, and at the junction of Sichuan, Shaanxi and Gansu provinces.

Lueyang County, belonging to Hanzhong City, Shaanxi Province, is located in the southwest of Shaanxi Province, at the junction of Shaanxi, Gansu and Sichuan provinces. Lueyang borders Mianxian and ningqiang county in the southeast and Kangxian, Chengxian and Huixian in Gansu Province in the northwest.