Where is your soul and your spirit? Are they the same? Are they in the heart or head or where?
Yes and no. They are not the same but integrated.
When we were born, our spirit was dead. Yet, we have a soul as everyone does. The soul as Topher said, is mind, will, emotions, your basic personality (which is a range of habits). And so you live as a sinner until you are born again. Your spiritual compartment that was dead is now given life. God now dwells in your spiritual compartment which is separate from your fleshly part. The flesh is the body and soul of the individual. So now you have dual nature, which battles against each other.
You can go back and study the Old Testament Temple, which was a physical template of our New Temple.
The Old Testament Temple had a Courtyard, Lampstand, Altar of burnt offering, Bronze Laver, Table of Showbread, the HOLY PLACE and the MOST HOLY PLACE, where the Lord dwelt. It was separated by a veil. Hence, that old Temple veil was torn when Jesus died and when we are born again, he lifts the veil so we can see.
The Holy Place represents the soul. The spirit and soul of man are the heart of man (highly integrated so that we cannot distinguish the difference - only by the WORD).
The Courtyard represents our body. Our soul and body (flesh) is where sin dwells
The Table of Showbread contained the bread and wine tha represents our fellowship (communion ) with God.
The Lampstand was always lit. The church is the lampstand that is lit by the LIGHT.
The Bronze Laver was used for cleansing before entering the tabernacle to perform sacrifices, It represents the cleansing of the new believer, the baptism by water and our willingness to receive forgiveness and spiritual cleansing.
Our new spirit is like a seed; when planted, it needs water to grow. The Spirit is the living water, which is the essence of the Word. As the Spirit of God grows our spirits, our whole being begins to be transformed into the likeness of Christ. Then we are able to bear fruit in our deeds and relationships. Our spirits are pure but we still have sin that dwells in the members of our flesh.
God dwells in a purified place within you. So when you die, your spirit, which is only all the good in you, moves on and the fleshly part of you dies. We already died to sin and to our old selves. But still return and backslide because some old habits are hard to break.
Old Temple :
Ex. 26 -29; 1 Kings 6-9; 2 Chron. 2-6;
New Temple: John 3:3; Eph 2:19-22, Eph. 3:16; Rom. 8:1, 2, 9-11, 16; Acts 7:59; 1 Cor. 3:16, 17; 1 Cor. 15:53; 2 Cor. 6:16, 12:2; 1 Per 2:5; Matt. 3:11; John 14:16, 17, 26
Here is a truth about the soul and spirit. If they are the same, then these verses would not make sense:
"For the word of God is living and powerful, and sharper than any two-edged sword, piercing even to the division of soul and spirit and of joints and marrow, and is a discerner of the thought s and intents of the heart." Heb. 4:12
"And the very God of peace sanctify you wholly; and I pray God your whole spirit and soul and body be preserved blameless unto the coming of our Lord Jesus Christ." 1 Thes. 5:23
There you go, even though sin dwells in our flesh, we are preserved blameless until his coming at which time we will receive NEW BODIES.