Correct

失地

/ shīdì / 
Strokes

Definition

to lose land/dispossessed

Example

As a Verb

lose territory

1
Shīdì
失地
qiānlǐ
千里

lose a broad/large/vast expanse of land

As a Noun

lost territory

2
Shōufù
收复
shīdì
失地

regain/recover lost territory