Chapter 9 - Quadratic Functions and Equations - 9-1 Quadratic Graphs and Their Properties - Got It? - Page 547: 1

The vertex is $(-2,-3)$.It is a minimum.

The parabola opens upward. Therefore, the vertex is a minimum. The vertex is the lowest point. The vertex is $3$ units below the $x$-axis and $2$ units to the left of the $y$-axis. Therefore, the vertex is at $(-2,-3)$.