The interviewers want to learn more about the challenges you face in your current position. If hired, this information will help the company know where you could use additional training, encouragement, or education.
Every individual has an aspect of their work that is more challenging than other areas. One common challenge for a District Manager is the need to terminate an employee. Another problem could be continually motivating unengaged employees. A big challenge could also be sourcing and utilizing the best hiring resources to shave down your time spent reading resumes. Other common problems include handling conflict between coworkers, increasing employee retention, and effectively delegating tasks.
Share the most challenging aspect of your current role while also highlighting the steps you take to alleviate or overcome that challenge.