Tā láizì Měiguó Tiánnàxī Zhōu, dàjiā jiǎnchēng tā de jiāxiāng wéi Tiánnà.
She is from Tennessee, USA, which everyone shortens to Tian-Na.
Tips
usage
田纳 is most commonly an abbreviation of 田纳西 (Tennessee). It can also serve as a given name transliteration (e.g. Tina, Nana). Context determines which meaning applies.