"Winter Is Coming" is a well-known phrase from the fantasy series A Song of Ice and Fire by George R.R. Martin, and it is prominently featured in the television adaptation, Game of Thrones. The phrase serves as the motto of the House Stark, a noble family from the northern region of the fictional continent of Westeros. It symbolizes the need for vigilance and preparedness in the face of inevitable challenges. In the context of the story, winter represents not only a change in season but also the arrival of danger and hardship. The phrase reminds characters and readers alike that difficult times are ahead, urging them to be ready for the trials that winter brings.