An important mountain pass and military stronghold located at the junction of Shaanxi, Shanxi, and Henan provinces; historically the key gateway between the Guanzhong region and the Central Plains.

Tongnan, a district of Chongqing in Southwest China

Zitong county in Mianyang, north Sichuan

Tongguan County in [[渭南|渭南|wei4 nan2]] city, Shaanxi province. Located at the junction of the Yellow River and the Wei River, it is a key transport hub between Shaanxi, Shanxi, and Henan. Named after the ancient fortress [[潼关|潼關|tong2 guan1]].

Zitong County in Mianyang, north Sichuan Province

to flaunt one's riches; to compete in a display of wealth or power. This idiom originates from a legend set in the Spring and Autumn Period where feudal lords gathered at Lintong to compete with their treasures.

ancient town in Jiangyan District, Taizhou, Jiangsu Province

Tongnan, a district of the municipality of [[重庆|重慶|chong2 qing4]]

(literary) appearing high and lofty; towering