Gravastar model in Krori-Barua metric under $f(Q)$ gravity

In this paper, we explore the characteristics of a gravastar in $f(\mathcal{Q})$ gravity, which is upheld by Krori-Barua (KB) metric. We have used Krori-Barua (KB) metric for the interior and shell regions of the gravastar. We deduced our field equations by using Krori-Barua metric. In the outside regions of the gravastar, we have taken two regular black hole metrics. Additionally, we have applied the Israel junction condition to calculate the potential difference across the thin shell concerning different types of regular black holes, such as Bardeen and Hayward. We have also discussed the physical properties like proper length, entropy, energy, EoS and stability.