Bhagwad Geeta sings:

ईश्वरः सर्वभूतानां हृद्देशेऽर्जुन तिष्ठति ।
भ्रामयन्सर्वभूतानि यन्त्रारूढानि मायया ॥

तमेव शरणं गच्छ सर्वभावेन भारत ।
तत्प्रसादात्परां शान्तिं स्थानं प्राप्स्यसि शाश्वतम् ॥

īśvaraḥ sarvabhūtānām
hṛddeśe’rjuna tiṣṭhati,
bhrāmayan sarvabhūtāni
yantrārūchāni māyayā

tam eva śaraṇam gaccha
sarvabhāvena bhārata,
tatprasādāt parām śāntim
sthānam prāpsyasi śāśvatam

“Propelling all living things that bestride a body-which
is
but a contrivance-by his maya,
O Arjun,
God abides in the hearts of all beings.”

But if God lives in our hearts and is so close to us, why are we ignorant of his presence? This is so because the contraptions we call body are driven by the power of maya, the universal ignorance or illusion by virtue of which we consider the unreal universe as real and distinct from the Supreme Spirit. So this physical mechanism is a grave impediment and it takes us round endlessly through one birth after another.
Where, then, can we find shelter or refuge?

“Seek refuge with all your heart,
O Bharat,
in that God by whose grace you will attain to repose
and
the everlasting, ultimate bliss.”

So if we have to meditate, we should do it
within the realm of the heart.
Notwithstanding this, places of formal worship have their importance for
seekers with inadequate awareness.
The heart is the true abode of God.

God is all-pervading,
he is realized only by meditation in the realm of heart.

[Revered Swami Adgadanandji Paramhans]

As expounded by most revered Gurudev. 

Humble Wishes!!!